Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
README: add PDF attachments, maintenance menu, mv-sync build step, resizable pane, URL-based navigation, word-split search, grid highlights. future-plans: add render_field_value integrations, field types, PDF paging, inventory/grid URL state; update state variable list. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>